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Federal
EPA Facility Registry Service (FRS): ER_TRI
U.S. Environmental Protection Agency —
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to... -
Federal
EnviroAtlas - Percentage of Working Age Population Who Are Employed by Block Group for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset shows the employment rate, or the percent of the population aged 16-64 who have worked in the past 12 months. The employment rate is a... -
Federal
EPA Facility Registry Service (FRS): ER_CERCLIS
U.S. Environmental Protection Agency —
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to... -
Federal
TIGER/Line Shapefile, 2023, State, Maryland, MD, Census Tract
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: National Land Cover Database
U.S. Environmental Protection Agency —
This dataset represents data derived from the NLCD dataset and the National Hydrography Dataset version 2.1(NHDPlusV2) (see Data Sources for links to NHDPlusV2 data... -
Federal
NCRN Bird Monitoring Data 2018
Department of the Interior —
This dataset represents 2018 NCRN forest and grassland bird monitoring. Data were collected on avian abundance/density and distribution in the National Capital Region... -
Federal
EPA Facility Registry Service (FRS): ER_TRI
U.S. Environmental Protection Agency —
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to... -
Federal
TIGER/Line Shapefile, 2022, State, Maryland, MD, Census Tract
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master... -
Federal
F00929: NOS Hydrographic Survey , 2026-01-22
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
EnviroAtlas - Fruit and vegetable crops by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes data on the area, yield, and number of fruit and vegetable crops grown per 12-digit Hydrologic Unit (HUC) in the conterminous USA.... -
Federal
Data set used to develop a conceptual framework for effectively anticipating water-quality changes resulting from changes in agricultural activities
Department of the Interior —
This USGS data release contains 2013 streamflow, baseflow, and precipitation data from three hydrologically-diverse streams in the United States used to develop a... -
State
Neighborhood Business Works (NBW) FY 2011-2023
State of Maryland —
Neighborhood Business Work's loan program provides gap financing, i.e. subordinate financing, to new or expanding small businesses and nonprofit organizations in... -
Federal
Geochemical data generated by projects funded by the USGS Earth Mapping Resources Initiative (ver. 12.0, December 2025)
Department of the Interior —
The geochemical data included here were generated as part of the Earth Mapping Resources Initiative (Earth MRI), which was developed by the U.S. Geological Survey... -
Federal
EnviroAtlas - Public outdoor recreation areas availability and accessibility for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas map estimates the accessibility and availability of public outdoor recreational areas (e.g., urban parks, national forests) within 800m along... -
Federal
EPA Facility Registry Service (FRS): ER_FRP
U.S. Environmental Protection Agency —
This dataset contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to Facility... -
State
Maryland State Police Performance Dashboard - Quarterly Data
State of Maryland —
Data from the Maryland State Police (MSP) for the Governor's Office of Performance Improvement Dashboard. This data is updated by MSP quarterly. The data provided is... -
Federal
EnviroAtlas - 2020 Dasymetric Population for the Conterminous United States v1.1
U.S. Environmental Protection Agency —
This EnviroAtlas dataset intelligently reallocates 2020 population from census blocks to 30 meter pixels based on land cover and land use for the conterminous United... -
Federal
EnviroAtlas Estimated Percent Green Space Along Walkable Roads Web Service
U.S. Environmental Protection Agency —
This EnviroAtlas dataset estimates green space along walkable roads. Green space within 25 meters of the road centerline is included and the percentage is based on... -
Federal
Blacklegged tick nymph densities, tickborne pathogen prevalence, and white-tailed deer densities in eight national parks in the eastern United States from 2014-2022
Department of the Interior —
The data presented here are blacklegged tick nymph densities, white-tailed deer densities, and Borrelia burgdorferi (causative agent of Lyme disease) prevalences for... -
Federal
EnviroAtlas - Manure application to agricultural lands from confined animal feeding operations by 12-digit HUC for the Conterminous United States, 2006
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains data on the mean livestock manure application to cultivated crop and hay/pasture lands by 12-digit Hydrologic Unit (HUC) in 2006....